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Our 2X heat shrink tubing is the industry-standard thermoplastic insulation solution for universal cable protection and wiring organization across commercial and industrial B2B applications. With a 2:1 shrink ratio—the most widely used shrink profile globally—this tubing balances flexibility, ease of use and reliable performance for standard-diameter cables, terminals and splices. Manufactured from high-quality cross-linked polyolefin (with PVC and elastomeric variants), the 2X heat shrink tubing shrinks uniformly to form a smooth, professional seal when heated, providing essential insulation against electrical shock, moisture and abrasion. It is the go-to choice for mass production, electrical panel assembly and general wiring projects, offering cost-effective performance without compromising on quality or safety.
The 2:1 shrink ratio fits the vast majority of standard electrical components, making it a one-solution product for diverse wiring projects.
Available in a full range of color codes and printable options, simplifying circuit identification and ensuring compliance with electrical safety standards.
Shrinks evenly without wrinkling or bubbling, delivering a clean, professional finish for electrical panels and consumer electronics.
Thin-wall design saves space in compact electrical enclosures, ideal for PCB assembly and small appliance wiring.
Optimized for mass production with competitive pricing, reducing per-unit costs for OEMs and large-scale electrical contractors.
Protects against common industrial chemicals, oil and UV radiation, ensuring long-term performance in indoor and covered outdoor installations.
Parameter | Standard Polyolefin 2X | Flame-Retardant 2X |
Shrink Ratio | 2:1 | 2:1 |
Operating Temperature | -55℃ to +135℃ | -55℃ to +135℃ |
Full Shrink Temperature | 90℃-120℃ | 90℃-120℃ |
Axial Change Rate | -10%～+1% | -10%～+1% |
Tensile Strength | ≥10.5 MPa | ≥11.0 MPa |
Elongation at Break | ≥200% | ≥190% |
Dielectric Strength | ≥20.0 MV/m | ≥20.5 MV/m |
Flame Retardancy | VW-1 | UL 224 VW-1 |
Volume Resistivity | ≥10¹⁴ Ω·cm | ≥10¹⁵ Ω·cm |
Color-codes and insulates wiring in passenger and commercial vehicles, meeting SAE and automotive industry standards for vibration resistance.
Provides clean insulation for terminal blocks and splices, improving wiring clarity and safety in industrial and commercial electrical panels.
Insulates internal wiring in appliances, electronics and LED lighting, with a thin profile for compact device design.
Organizes and protects patch cords and fiber optic connections, reducing signal interference and improving network reliability.
Insulates wiring in heating, cooling and building automation systems, withstanding temperature fluctuations in commercial buildings.
Offers cost-effective insulation for small equipment and power tools, ideal for low-to-medium stress applications in workshops and factories.
Our 2X heat shrink tubing is certified to global and industry-specific standards, ensuring reliability for B2B clients worldwide:
UL 224: Certified for electrical insulation and flame retardancy (600V rating)
CSA LR31929: Compliant with Canadian electrical safety standards
SAE-AMS-DTL-23053: Meets automotive wiring performance requirements
RoHS 2011/65/EU: Free of lead and hazardous substances
ISO 37: Conforms to international mechanical property standards
VW-1: Passes UL vertical flame test for fire safety
A: Standard 2X tubing is suitable for covered outdoor use; for direct exposure to rain and UV, we recommend our UV-stabilized or adhesive-lined 2X variants with enhanced sealing.
A: We offer 2X tubing in inner diameters from 1.6mm to 76mm, covering most standard industrial and commercial cables.
A: Apply heat evenly with a heat gun, moving from the center to the ends and rotating the workpiece—avoid stationary heat sources that cause overheating.
A: Yes, our thermal printing meets SAE-AS 81531 standards, resisting fading, abrasion and chemical cleaning for permanent identification.
We provide tailored 2X heat shrink tubing solutions for B2B customers, designed to optimize your production and installation processes:
Custom color matching (Pantone codes) for brand or circuit identification requirements
Precision cut lengths to eliminate on-site trimming and reduce waste
Pre-printed labeling (part numbers, barcodes, safety warnings) for inventory and compliance
Material customization (UV-stabilized, low-smoke zero-halogen for rail/metro applications)
Bulk packaging options (continuous reels, pre-cut packs) for assembly line efficiency
Our bulk procurement program offers competitive volume pricing for OEMs, electrical contractors and distributors, with flexible minimum order quantities and global delivery. We also provide free sample kits for testing and application validation, along with technical support for integration into your manufacturing processes.
